Where: Idaho (42.5° N, 111.2° W: paleocoordinates 15.1° N, 32.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Meade Peak Member (Phosphoria Formation), Roadian (272.3 - 268.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified, phosphatic shale

Size class: macrofossils

Preservation: mold/impression

Primary reference: K.W. Ciriacks. 1963. Permian and Eotriassic bivalves of the middle Rockies. Bulletin of the American Museum of Natural History 125(1):1-100 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 105271: authorized by Matthew Clapham, entered by Matthew Clapham on 18.02.2011

Creative Commons license: CC BY (attribution)